| United States. Congress. House Government Operations - 1972 - 902 pages
...200/100 ml. fecal cohforms in local waters. Waters used for body contact re:reithn activities shiul 1 b? free from bacteria, fungi, or viruses that may produce...disorders or eye, ear, nose, throat, and skin infections. (Rtf. IJC Report, p. 145-146.) 2. Dissolved oxygen. 3. Total dissolved solids. In the connecting channels... | |
| United States, United States. Congress. House. Committee on Public Works - Environmental law - 1973 - 536 pages
...exceed 1,000/100 millilitres total coliforms, nor 200/100 millilitres fecal coliforms. Waters used for body contact recreation activities should be substantially...infections or other human diseases and infections. (c) Total Dissolved Solids.—In Lake Erie, Lake Ontario and the International Section of the St. Lawrence... | |
| United States. Congress. House Foreign Affairs Committee - 1973 - 766 pages
...Waters used for body contact recreation activities should be substantially free from bacteria, fu..;i, or viruses that may produce enteric disorders or eye,...infections or other human diseases and infections. (b) Dissolved Oxygen. In the Connecting Channels and in the upper waters of the Lakes, the dissolved... | |
| Environmental law - 1994 - 1242 pages
...will alter the value of Secchi disc depth by more than 10 per cent. III. MICROBIOLOGICAL Waters used s and the Dominion of Canada involving the rights,...the inhabitants of the other, along their common TEDM (total equivalent dose integrated over 50 years as calculated in accordance with the methodology... | |
| Isobel W. Heathcote - Business & Economics - 1998 - 434 pages
...deposits or that will alter the value of Secchi disk depth by more than 10%. Waters used for body-contact recreation activities should be substantially free...infections or other human diseases and infections. The concentration of total lead in an unfiltered water sample should not exceed 10 micrograms per liter... | |
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